package com.wx.springcloud;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.context.annotation.Bean;

import java.util.ArrayList;
import java.util.List;

/**
 * @author wangdada
 */
@EnableEurekaClient
@SpringBootApplication
@EnableCircuitBreaker
public class PaymentHystrixMain8002 {
    public static void main(String[] args) {
        SpringApplication.run(PaymentHystrixMain8002.class, args);
    }

    /**
     * 此配置是为了服务监控而配置,与服务容错本身无关springCloud 升级后的坑
     * ServletRegistrationBean 因为 springboot 的默认路径不是 "/hystrix.stream",只要在自己的项目里配置上下面的 servlet 就可以了
     *
     * @return
     */
    @Bean
    public ServletRegistrationBean getServlet() {
        HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
        ServletRegistrationBean regBean = new ServletRegistrationBean(streamServlet);
        regBean.setLoadOnStartup(1);
        List<String> mappingList = new ArrayList<>();
        mappingList.add("/hystrix.stream");
        regBean.setUrlMappings(mappingList);
        regBean.setName("hystrixServlet");
        return regBean;
    }
}
